From 533511f8c3a1fde4c6bd8bbd36fcfc4b6021298d Mon Sep 17 00:00:00 2001
From: Rodrigo Flores <rodrigo.flores@plataformatec.com.br>
Date: Fri, 17 Feb 2012 15:31:00 -0200
Subject: [PATCH] Required fields on encryptable

---
 lib/devise/models/encryptable.rb | 10 +++++++++-
 test/models/encryptable_test.rb  |  6 ++++++
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/lib/devise/models/encryptable.rb b/lib/devise/models/encryptable.rb
index 3913d168..8711fcc5 100644
--- a/lib/devise/models/encryptable.rb
+++ b/lib/devise/models/encryptable.rb
@@ -24,6 +24,14 @@ module Devise
         attr_accessor :password_confirmation
       end
 
+      module ModuleMethods
+        extend self
+
+        def required_fields
+          [:password_salt]
+        end
+      end
+
       # Generates password salt.
       def password=(new_password)
         self.password_salt = self.class.password_salt if new_password.present?
@@ -69,4 +77,4 @@ module Devise
       end
     end
   end
-end
+end
\ No newline at end of file
diff --git a/test/models/encryptable_test.rb b/test/models/encryptable_test.rb
index 066cafbd..2efff1b5 100644
--- a/test/models/encryptable_test.rb
+++ b/test/models/encryptable_test.rb
@@ -64,4 +64,10 @@ class EncryptableTest < ActiveSupport::TestCase
     admin.save
     assert_not admin.valid_password?('123456')
   end
+
+  test 'required_fields should contain the fields that Devise uses' do
+    assert_equal Devise::Models::Encryptable::ModuleMethods.required_fields, [
+      :password_salt
+    ]
+  end
 end